CN206135901U - Non - alien frequencies goes upward carrier wave polymerization circuit and device - Google Patents
Non - alien frequencies goes upward carrier wave polymerization circuit and device Download PDFInfo
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- CN206135901U CN206135901U CN201620924711.2U CN201620924711U CN206135901U CN 206135901 U CN206135901 U CN 206135901U CN 201620924711 U CN201620924711 U CN 201620924711U CN 206135901 U CN206135901 U CN 206135901U
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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Abstract
The utility model discloses a non - alien frequencies goes upward carrier wave polymerization circuit, include: receive the radiofrequency signal's of various frequency channels combiner, the RF switch of the control information control of ware interface (MIPI) input is handled by the industry of removal, whether the receipt inserts the definite control signal of ULCA mode and controls according to the terminal is current the MIPI interface of RF switch, the input of RF switch with the input of combiner is connected, the output of RF switch with the output of combiner is connected. The utility model discloses a non - alien frequencies ULCA device is still disclosed simultaneously.
Description
Technical field
This utility model is related to up-link carrier polymerization (ULCA, the Uplink Carrier of moving communicating field
Aggregation) technology, more particularly to a kind of non-alien frequencies ULCA circuits and device.
Background technology
With developing rapidly for mobile broadband, mobile phone users such as cellphone subscriber be accustomed to carrying out in social media
HD video is shared with picture, therefore, in most of networks, uplink transmission rate is increasingly becoming the bottle for lifting Consumer's Experience
Neck.To meet the requirement that user uplink transfer rate and power system capacity are lifted, a kind of most straightforward approach is exactly using ULCA skills
Art increases system transmission bandwidth.ULCA technologies are by multiple Long Term Evolutions (LTE, Long Term Evolution) member carrier
(CC, Component Carrier) condenses together, and realizes maximum transmission bandwidth, so as to effectively improve uplink transmission rate.
In 4G+ technological evolvements, carrier aggregation (CA, Carrier Aggregation) is proposed to high-frequency radio frequency index
Requirements at the higher level, it is many to recommend circuit mostly to adopt multiple antennas ULCA schemes, i.e.,：The radio frequency of low-frequency range, Mid Frequency, high band is believed
Number separately transmitted by different antennae so that the radio-frequency performance that radio frequency path link does not have the loss of combiner, high frequency can expire
The index that foot is required.However, in actual applications, for the mobile terminal such as mobile phone with metal shell, as main antenna is received
Structure is limited, general to be difficult to separate high frequency and middle low-frequency antenna, therefore, single antenna ULCA technologies are inevitably occurred in that,
Single antenna ULCA technologies need to increase the passive devices such as four work devices or combiner on the radio frequency primary path of CA frequency ranges, to reach
The purpose of non-alien frequencies ULCA.So, the complexity of circuit is not only increased, is virtually also add when non-CA works, radio frequency
The loss of path, is caused radiofrequency signal to also pass through identical decay when being worked with CA, causes the waste of signal, meanwhile, make
The RF indexes such as mobile phone current are subject to serious challenge, directly affect Consumer's Experience.
As fully visible, if realizing the ULCA of multiband, between antenna amount, the selection of frequency range, and multiplexer performance
Mutually restrict, and for radio-frequency performance when how to improve non-CA working conditions well on single antenna multiband CA, at present
Good solution is found not yet.Therefore, CA frequency ranges how to be reduced when non-CA patterns work, the loss of radio frequency path is
Problem demanding prompt solution, and it is significant to the development of mobile communication technology.
Utility model content
In view of this, this utility model embodiment is expected to provide a kind of non-alien frequencies ULCA circuits and device, can reduce CA
When non-CA patterns work, multiband ULCA radio-frequency performances in non-CA working conditions are realized in the loss of radio frequency path to frequency range
Optimization, lifts Consumer's Experience.
To reach above-mentioned purpose, what the technical scheme of this utility model embodiment was realized in：
This utility model embodiment provides a kind of non-alien frequencies ULCA circuits, and the circuit includes：
Receive the combiner of the radiofrequency signal of various frequency ranges；
It is input into by mobile Industry Processor Interface (MIPI, Mobile Industry Processor Interface)
The radio-frequency (RF) switch of control information control；
Receive the control signal of ULCA mode of operations determination currently whether is accessed according to terminal and control the radio-frequency (RF) switch
MIPI interfaces；
The input of the radio-frequency (RF) switch is connected with the input of the combiner, the outfan of the radio-frequency (RF) switch and institute
State the outfan connection of combiner.
In such scheme, the radio-frequency (RF) switch is the switch with bypass (Bypass) function.
In such scheme, the input of the radio-frequency (RF) switch is Bypass ports；
The Bypass ports of the radio-frequency (RF) switch are synchronously linked into the common port of CA frequency range duplexers.
In such scheme, the non-alien frequencies ULCA circuits also include：For the combiner, the radio-frequency (RF) switch, Yi Jisuo
State the power supply that MIPI interfaces are powered.
This utility model embodiment also provides a kind of non-alien frequencies ULCA devices, and the non-alien frequencies ULCA devices include above-mentioned
A kind of described non-alien frequencies ULCA circuits of meaning and the circuit structure for carrying the non-alien frequencies ULCA circuits；
The non-alien frequencies ULCA circuit cards are together in the circuit structure.
In such scheme, the circuit structure also includes：Radio frequency chip, radio-frequency power amplifier, duplexer, antenna are opened
Close, and antenna；
The non-alien frequencies ULCA circuits are arranged between the duplexer and duplexer, and the duplexer is four works of replacement
The duplexer of device.
One of in such scheme, the implementation of the engaging at least includes：Draw-in groove and buckle engaging, raised and groove card
Close.
Non- alien frequencies ULCA circuits and device that this utility model embodiment is provided, arrange in the circuit and receive various frequencies
The combiner of the radiofrequency signal of section；The radio-frequency (RF) switch of the control information control being input into by MIPI interfaces；Receive current according to terminal
Whether access the control signal of ULCA mode of operations determination and control the MIPI interfaces of the radio-frequency (RF) switch；The radio-frequency (RF) switch
Input is connected with the input of the combiner, and the outfan of the radio-frequency (RF) switch is connected with the outfan of the combiner.
Thus, a non-alien frequencies ULCA circuit with Bypass functions is added between duplexer and duplexer, and by the circuit
In combiner be designed to support high, medium and low three frequency ranges, so, just can support that the ULCA of essentially all country is combined, have
There is certain versatility.Also, when non-CA patterns work, duplexer common port is automatically switched to into Bypass ports, so that it may
To greatly reduce CA frequency ranges when non-CA patterns work, the loss of radio frequency path realizes multiband ULCA in non-CA working conditions
When radio-frequency performance optimization, improve Consumer's Experience.
Description of the drawings
Fig. 1 is the composition structural representation of non-carrier multimode LTE circuit in prior art；
Fig. 2 is the composition structural representation of double antenna ULCA circuits in prior art；
Fig. 3 is the composition structural representation of single antenna ULCA circuits in prior art；
Composition structural representations of the Fig. 4 for the non-alien frequencies ULCA devices of this utility model embodiment；
Composition structural representations of the Fig. 5 for the non-alien frequencies ULCA circuits of this utility model embodiment；
Fig. 6 is that this utility model embodiment is illustrated using the method flow of the non-alien frequencies ULCA of the non-alien frequencies ULCA circuit realirations
Figure.
Specific embodiment
LTE is widely known, widely used mobile communication system now, and LTE is by third generation partner program
UMTS that (3GPP, The 3rd Generation Partnership Project) is organized to set up (UMTS,
Universal Mobile Telecommunications System) technical standard long evolving system.Fig. 1 gives non-
The composition structural representation of carrier wave multimode LTE circuit, it will be seen from figure 1 that in the LTE circuits of the terminal of non-CA, the time-division is double
Work (TDD, Time Division Duplexing) and FDD (FDD, Frequency Division Duplexing) are sent out
The radiofrequency signal sent and receive is typically multimode in LTE frequency ranges and shares an antenna, i.e.,：By duplexer by radiofrequency signal
It is linked in antenna.
The ULCA circuits and non-carrier multimode LTE circuit of LTE is different, and CA is a key technology in LTE-A, can
With by same frequency range, and the CC of multiple LTE in frequency range be incorporated on same wireless channel and be transmitted, to lift use
The message transmission rate at family, and reduce data transfer delay.Although current LTE mobile terminal can support multiple LTE radios
Channel, but data can only be uploaded by a channel every time；And the CA technologies of LTE can be realized while in two or more LTE
Data are uploaded in radio-frequency channel, this contributes to the specified LTE data rates for making full use of chipset.
In actual applications, if two or more radio-frequency channel will be realized while working, and the two letters
Road belongs to same frequency range, and for radio circuit, circuit structure changes less substantially.But, for the difference of different frequency range
Channel realizes CA, it is presently recommended that radio frequency scheme be to be realized using multiple antennas.Here, illustrate by taking double antenna as an example, Fig. 2 gives
The composition structural representation of double antenna ULCA circuits is gone out, as shown in Fig. 2 the transmission of TDD Band Y and FDD Band X, connecing
The radiofrequency signal common antenna 1 of receipts, i.e.,：By duplexer 1 by the transmission of TDD Band Y and FDD Band X, receive penetrate
Frequency signal is linked in antenna 1, in the same manner, the transmission of TDD Band Z and FDD Band Q, the radiofrequency signal common antenna for receiving
2, i.e.,：The transmission of TDD Band Z and FDD Band Q, the radiofrequency signal for receiving are linked in antenna 2 by duplexer 2.
Double antenna ULCA circuit arrangements according to above-mentioned Fig. 2, can flexibly realize BandX+Z, Z+Q, Y+Z, Y+ as shown in Figure 2
The carrier aggregation of Q is required.
By the circuit structure for comparing Fig. 1 and Fig. 2, it can be found that：The CA schemes of double antenna on radio frequency path with non-CA
Circuit is compared, and does not increase new components and parts, and the radio-frequency performance index of double antenna CA circuits is electric with non-CA on circuit structure
The radio-frequency performance index on road is substantially suitable.If however, use double-antenna structure, for the design of mobile terminal such as mobile phone,
Design requirement is too high, especially for the mobile phone for nowadays carrying mostly metal shell, to arrange double-antenna structure, then designs
Difficulty can increase.Therefore, many mobile phones design schemes do not select double-antenna structure, but select a kind of new circuit-mono-
Antenna ULCA circuits are substituting.
Fig. 3 gives the composition structural representation of single antenna ULCA circuits, as can be seen from Figure 3：The program is for FDD frequencies
The signal transmission of section, increased four work devices；For the signal transmission of TDD frequency ranges, two-in-one combiner is increased, it is achieved thereby that
Double up-link carrier polymerizations of BandX+Y and BandZ+Q.But, the program has following several obvious shortcomings：
1st, as the selectivity of device producer such as four work devices or combiner is limited, required ULCA frequencies are directly constrained
The selection of section；
2nd, the Insertion Loss of four work devices is larger, directly affects the performance of RF index, so as to affect Consumer's Experience；
3rd, as when circuit is designed, radio-frequency devices are selected, for the frequency range for having selected four work devices and combiner,
During non-CA working conditions, it is also necessary to the loss brought by these additional devices will be received, radio-frequency performance is affected.
Through above-mentioned analysis, this utility model embodiment is based on disadvantage mentioned above, proposes a kind of new ULCA schemes,
Do not use four work devices of larger Insertion Loss, still using the easy duplexer of filter with low insertion loss, circuit on the basis of, in duplexer and
A non-alien frequencies ULCA circuit with Bypass functions is added between duplexer, it is possible to reduce CA frequency ranges work in non-CA patterns
When, the optimization of multiband ULCA radio-frequency performances in non-CA working conditions is realized in the loss of radio frequency path, lifts Consumer's Experience.
The characteristics of in order to more fully hereinafter understand this utility model embodiment and technology contents, it is right below in conjunction with the accompanying drawings
The realization of this utility model embodiment is described in detail, appended accompanying drawing purposes of discussion only for reference, not for limiting this reality
With new.
The composition structure of the non-alien frequencies ULCA devices of this utility model embodiment is as shown in figure 4, the non-alien frequencies ULCA devices
Including：Non- alien frequencies ULCA circuits 41 and circuit structure, the non-alien frequencies ULCA circuits 41 are sticked in the circuit structure；
Here it is possible to complete engaging by arranging draw-in groove and buckle；Engaging can also be completed by arranging raised and groove；May be used also
Be other it is any can realize engaging mechanisms.Wherein,
The non-alien frequencies ULCA circuits 41, for realizing non-alien frequencies ULCA；
The circuit structure, for carrying the non-alien frequencies ULCA circuits 41；Wherein, the circuit structure is also wrapped
Include：Radio frequency chip 421, radio-frequency power amplifier 422, duplexer 423, duplexer 424, and antenna 425.
Here, the non-alien frequencies ULCA circuits 41 are arranged between the duplexer 423 and duplexer 424, described double
Duplexer of the work device 423 for four work devices of replacement.
The composition structure of the non-alien frequencies ULCA circuits of this utility model embodiment is as shown in figure 5, the non-alien frequencies ULCA circuit bags
Include：
Combiner 51, for receiving the radiofrequency signal of various frequency ranges；
Radio-frequency (RF) switch 52, for the control information control being input into by MIPI interfaces 53；
MIPI interfaces 53, currently whether access the control signal of ULCA mode of operations determination according to terminal and control for receiving
Make the radio-frequency (RF) switch 52.
Here, in the circuit, the input of the radio-frequency (RF) switch 52 is connected with the input of the combiner 51；It is described
The outfan of radio-frequency (RF) switch 52 is connected with the outfan of the combiner 51.
Wherein, the combiner 51 receive radiofrequency signal residing for frequency range, according to the size of frequency can be divided into height,
In, low three kinds of frequency ranges；The opening and closing of radio-frequency (RF) switch 52 can be controlled by the control information that MIPI interfaces 53 are input into.
Here, the radio-frequency (RF) switch 52 is the switch with Bypass functions.
In actual use, can be using the input of the radio-frequency (RF) switch 52 as Bypass ports, the radio-frequency (RF) switch 52
Bypass ports be synchronously linked into the common port of CA frequency range duplexers, in this manner it is ensured that in non-CA mode of operations, duplex
Device common port can automatically switch to Bypass ports, make terminal enter traditional LTE mode of operations, non-so as to optimize CA frequency ranges
Radio-frequency performance during CA working conditions.
Here, the base station information for being received according to terminal by base station, judges whether the terminal currently can access ULCA works
Operation mode, if base station judges that the terminal can currently access the ULCA mode of operations, according to the input of MIPI interfaces
The control signal corresponding with the ULCA mode of operations are accessed, controls the radio-frequency (RF) switch 52 and opens, and the difference that will be input into
The radiofrequency signal of frequency range is transmitted by the combiner 51；If it is described that base station judges that the terminal currently fails access
ULCA mode of operations, then according to MIPI interfaces input with fail to access the corresponding control signal of the ULCA mode of operations,
Control the radio-frequency (RF) switch 52 to close, and the Bypass by the radiofrequency signal of the different frequency range of input by the radio-frequency (RF) switch 52
Port is transmitted.
Wherein, MIPI be MIPI alliances initiate, for Mobile solution processor formulate open standard and specification；It is described
MIPI interfaces 53 can be by control chip, such as field programmable gate array (FPGA, Field Programmable Gate
Array), digital signal processor (DSP, Digital Signal Processor) etc. is realized.
The non-alien frequencies ULCA circuits also include：Power supply 54, for for the combiner 51, the radio-frequency (RF) switch 52, and
The MIPI interfaces 53 are powered.
Wherein, the power supply 54 includes lithium ion battery and Switching Power Supply or manostat.
The design advantage of this non-alien frequencies ULCA devices of this utility model embodiment is：1st, single antenna construction is used, is made
The Antenna Design for obtaining mobile terminal is more prone to realize；2nd, the selection of four work devices is avoided, using traditional duplexer, is reduced
The Insertion Loss brought in design；3rd, as the combiner in non-alien frequencies ULCA circuits supports high, medium and low three frequency ranges so that any
Three radiofrequency signals for being distributed in senior middle school's low frequency band can be accessed, so that the design of ULCA is easier；4th, add
Radio-frequency (RF) switch with Bypass functions so that CA frequency ranges can revert to traditional LTE and lead in non-CA working conditions
Road, so as to reduce the Insertion Loss of radio frequency path, improves operating current, lifts Consumer's Experience.
This utility model embodiment realizes flow process such as using the method for the non-alien frequencies ULCA of the non-alien frequencies ULCA circuit realirations
Shown in Fig. 6, the flow process is comprised the following steps：
Step 601：Initialize non-alien frequencies ULCA circuits；
Step 602：According to the base station information that terminal is received, judge whether the terminal currently can access ULCA Working moulds
Formula, if so, then execution step 603, otherwise execution step 604；
It should be noted that the realization of this step can be completed by base station.
Step 603：Radio-frequency (RF) switch is opened, the radiofrequency signal of different frequency range is carried out into the transmission of CA by combiner, terminated
This handling process；
Here, the radio-frequency (RF) switch is the switch with Bypass functions.
Step 604：Radio-frequency (RF) switch is closed, by Bypass port of the radiofrequency signal of different frequency range by the radio-frequency (RF) switch
It is transmitted.
Here, the input of the radio-frequency (RF) switch is Bypass ports, now, by the Bypass ports of the radio-frequency (RF) switch
It is linked into the common port of CA frequency range duplexers.
Here, judge that the terminal currently fails to access ULCA mode of operations it should be noted that working as, then show described
Terminal has been detached from ULCA base stations, and into single (standalone) pattern, now, the terminal receives corresponding control signal
Afterwards, radio-frequency (RF) switch is closed, then the terminal enters traditional LTE mode of operations.
This utility model embodiment arranges the combining of the radiofrequency signal for receiving various frequency ranges in the non-alien frequencies ULCA circuits
Device；The radio-frequency (RF) switch of the control information control being input into by MIPI interfaces；Whether reception currently accesses ULCA Working moulds according to terminal
Control signal that formula determines simultaneously controls the MIPI interfaces of the radio-frequency (RF) switch；The input of the radio-frequency (RF) switch and the combiner
Input connection, the outfan of the radio-frequency (RF) switch is connected with the outfan of the combiner.Thus, in duplexer and double
A non-alien frequencies ULCA circuit with Bypass functions is added between work device, and the combiner in the circuit is designed to support
High, medium and low three frequency ranges, so, can just support the ULCA combinations of essentially all country, with certain versatility.Also,
When non-CA patterns work, duplexer common port is automatically switched to into Bypass ports, it is possible to greatly reduce CA frequency ranges non-
When CA patterns work, the optimization of multiband ULCA radio-frequency performances in non-CA working conditions is realized in the loss of radio frequency path, is improved
Consumer's Experience.
The above, preferred embodiment only of the present utility model is not intended to limit protection of the present utility model
Scope, all any modification, equivalent and improvement made within spirit of the present utility model and principle etc., should be included in
Within protection domain of the present utility model.
Claims (7)
1. a kind of non-alien frequencies up-link carrier is polymerized circuit, it is characterised in that the circuit includes：
Receive the combiner of the radiofrequency signal of various frequency ranges；
By the radio-frequency (RF) switch of the control information control of mobile Industry Processor Interface MIPI inputs；
Receive the control signal of up-link carrier polymerization mode of operation determination currently whether is accessed according to terminal and control the radio frequency
The MIPI interfaces of switch；
The input of the radio-frequency (RF) switch is connected with the input of the combiner, the outfan of the radio-frequency (RF) switch and the conjunction
The outfan connection of road device.
2. non-alien frequencies up-link carrier according to claim 1 is polymerized circuit, it is characterised in that the radio-frequency (RF) switch be with
The switch of bypass Bypass functions.
3. non-alien frequencies up-link carrier according to claim 2 is polymerized circuit, it is characterised in that the input of the radio-frequency (RF) switch
Hold as Bypass ports；
The Bypass ports of the radio-frequency (RF) switch are synchronously linked into the common port of carrier aggregation CA frequency range duplexer.
4. the non-alien frequencies up-link carrier polymerization circuit according to any one of claims 1 to 3, it is characterised in that described non-different
Frequency up-link carrier polymerization circuit also includes：For the electricity that the combiner, the radio-frequency (RF) switch and the MIPI interfaces are powered
Source.
5. a kind of non-alien frequencies up-link carrier polyplant, it is characterised in that the non-alien frequencies up-link carrier polyplant includes power
Profit requires the non-alien frequencies up-link carrier polymerization circuit described in 1 to 4 any one and gathers for carrying the non-alien frequencies up-link carrier
Close the circuit structure of circuit；
The non-alien frequencies up-link carrier is polymerized circuit card together in the circuit structure.
6. non-alien frequencies up-link carrier polyplant according to claim 5, it is characterised in that the circuit structure is also wrapped
Include：Radio frequency chip, radio-frequency power amplifier, duplexer, duplexer and antenna；
The non-alien frequencies up-link carrier polymerization circuit is arranged between the duplexer and duplexer, and the duplexer is replacement
The duplexer of four work devices.
7. the non-alien frequencies up-link carrier polyplant according to claim 5 or 6, it is characterised in that the realization of the engaging
Mode at least include one of：Draw-in groove and buckle engaging, the engaging of raised and groove.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620924711.2U CN206135901U (en) | 2016-08-23 | 2016-08-23 | Non - alien frequencies goes upward carrier wave polymerization circuit and device |
| PCT/CN2017/072867 WO2018036102A1 (en) | 2016-08-23 | 2017-02-03 | Non-inter-band uplink carrier aggregation circuit and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620924711.2U CN206135901U (en) | 2016-08-23 | 2016-08-23 | Non - alien frequencies goes upward carrier wave polymerization circuit and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206135901U true CN206135901U (en) | 2017-04-26 |
Family
ID=58566182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620924711.2U Active CN206135901U (en) | 2016-08-23 | 2016-08-23 | Non - alien frequencies goes upward carrier wave polymerization circuit and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206135901U (en) |
| WO (1) | WO2018036102A1 (en) |
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| WO2014049381A1 (en) * | 2012-09-26 | 2014-04-03 | Renesas Mobile Corporation | Transceiver device adapted to operate in a first communication mode and a second communication mode |
| CN204761429U (en) * | 2015-06-24 | 2015-11-11 | 陈林 | Terminal device |
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| CN105846849B (en) * | 2016-03-31 | 2018-09-07 | 宇龙计算机通信科技(深圳)有限公司 | A kind of carrier wave polymerization circuit implementing method realizes system and mobile terminal |
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| CN107181497A (en) * | 2017-06-30 | 2017-09-19 | 广东欧珀移动通信有限公司 | Radio circuit, antenna assembly and electronic equipment |
| CN107181497B (en) * | 2017-06-30 | 2020-01-14 | Oppo广东移动通信有限公司 | Radio frequency circuit, antenna device and electronic equipment |
| CN107425875A (en) * | 2017-08-31 | 2017-12-01 | 广东欧珀移动通信有限公司 | Radio-frequency front-end system, mobile terminal and signal processing method |
| CN109672455A (en) * | 2017-10-17 | 2019-04-23 | 中兴通讯股份有限公司 | Radio circuit, the configuration method of radio circuit and device |
| CN107888208B (en) * | 2017-11-15 | 2021-09-10 | 宁波麦度智联科技股份有限公司 | Radio frequency topology system for LTE-FDD carrier aggregation |
| CN107888208A (en) * | 2017-11-15 | 2018-04-06 | 宁波麦度智联科技股份有限公司 | A kind of radio frequency topological system for LTE FDD carrier aggregations |
| CN111478709A (en) * | 2020-04-03 | 2020-07-31 | 惠州Tcl移动通信有限公司 | Carrier aggregation circuit and mobile terminal |
| CN111478709B (en) * | 2020-04-03 | 2021-11-16 | 惠州Tcl移动通信有限公司 | Carrier aggregation circuit and mobile terminal |
| CN113489503A (en) * | 2021-07-01 | 2021-10-08 | 维沃移动通信有限公司 | Radio frequency architecture and electronic device |
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|---|---|
| WO2018036102A1 (en) | 2018-03-01 |
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